Belt width12 mmBore typeTaper locking bushingBushing2012Bushing bore range1/2 - 2 1/8Dimension1.25Face width0.85Flanges2Groove profile8MHub Diameter3.76Hub diameter3.76Hub length1.25Inertia WR2 (lbs ft2)0.09Inertia WR²10Inside hub projection0Material typeCast ironNumber of grooves50Number of hubs1Number of teeth50O.D.4.95O.D. (in)4.95Outside hub projection0.4Pitch8Pitch diameter5.01Rim face0.85RPM upper limit5060Tooth pitch8TypeB1F
| Belt width | 12 mm |
| Bore type | Taper locking bushing |
| Bushing | 2012 |
| Bushing bore range | 1/2 - 2 1/8 |
| Dimension | 1.25 |
| Face width | 0.85 |
| Flanges | 2 |
| Groove profile | 8M |
| Hub Diameter | 3.76 |
| Hub diameter | 3.76 |
| Hub length | 1.25 |
| Inertia WR2 (lbs ft2) | 0.09 |
| Inertia WR² | 10 |
| Inside hub projection | 0 |
| Material type | Cast iron |
| Number of grooves | 50 |
| Number of hubs | 1 |
| Number of teeth | 50 |
| O.D. | 4.95 |
| O.D. (in) | 4.95 |
| Outside hub projection | 0.4 |
| Pitch | 8 |
| Pitch diameter | 5.01 |
| Rim face | 0.85 |
| RPM upper limit | 5060 |
| Tooth pitch | 8 |
| Type | B1F |